It's not. Maybe you're thinking of libertarianism? The conservative ethos is to preserve and promote a social hierarchy. This requires both winners and losers.
Limiting the power of government is a central idea in conservative thought, especially in America[0].
[0]: https://en.wikipedia.org/wiki/Conservatism_in_the_United_Sta...
It's like how everyone says liberals are socialist progressives. They're usually not, but the two groups form a coalition that constitutes the base of the Democrat party.